A professor teaching at a correspondence school discovers that a Nazi agent is trying to prevent a trade treaty being signed between England and South America.
Director
Basil Dearden
Status
Released
Will Hay
Prof. Davis
John Mills
Bobby Jessop
Basil Sydney
Costello
Felix Aylmer
Crabtree
Thora Hird
Joyce
Henry Hewitt
Prof. Davys
Owen Reynolds
Harman
Frank Cellier
Innsbach
